DNA polymerases need a primer oligonucleotide (RNA or DNA) - their substrates are an existing 3'-OH group and a dNTP. The primase however is a typical RNA polymerase, capable of initiating polynucleotide synthesis de novo by positioning a complementary ribonucleoside 5'-triphosphate opposite its complementary DNA base.
Alison Schapker. Alison Schapker is an American television writer and producer. She is well known for her work on the ABC espionage series Alias and for the FOX science-fiction series Fringe.
Greg Mankiw, American macroeconomist, academic economist, public intellectual, Chair of the Council of Economic Advisers from 2003 to 2005. Joseph Stiglitz, an American economist, 2001 Nobel Memorial Prize in Economics winner, critic of inequality and the governance of globalization, and former World Bank Chief Economist. Janet Yellen, current Chair of the Federal Reserve since 2014.